| 0003 | Unable to connect to Government Gateway - 0003. |
| 1046 | Authentication Failure. The supplied user credentials failed validation for the requested service. |
| 4999 | Internal schema validation error. |
| 5045 | You have already filed an original return. |
| 7801 | Accounts Office reference or Employer PAYE reference is incorrect. |
| 7802 | You haven’t been invited to submit this submission type. |
| 7804 | This submission cannot be accepted as a Full Payment Submission has not been received and successfully validated for this scheme reference. |
| 7805 | Service currently unavailable. |
| 7806 | This submission cannot be accepted as it does not fall within the eligible filing period. |
| 7808 | This submission cannot be accepted as an Employer Alignment Submission is required for this Employer Reference. |
| 7811 | This submission cannot be accepted as alignment has commenced or successfully completed. |
| 7815 | This submission cannot be accepted as this employer scheme has been cancelled. This means HMRC haven't received submissions for your company. This error message indicates that there's been £0 submissions for a period of at least three months. If this happens, contact HMRC and they can close the company's payroll scheme. |
| 7841 | No starter form provided. |
| 7866 | Error 7866 - The amount in [EMPLOYEESCONTRIBUTIONSON ALLEARNINGSYEARTODATE] must be 0.00 if the [NILETTER] is ‘X’, ‘C’, or ‘W’. |
| 7918 | This error occurs if you try to send an Employer Payment Summary (EPS) submission for a period that HMRC no longer accepts. The deadline for each tax month's EPS is the 19th of the next month. Find out how to submit an Employer Payment Summary (EPS). |
| 7927 | The entry in [TAXMONTH] of 12 is only valid if the submission is made between 6 February and 19 April inclusive of the [RELATEDTAXYEAR]. This message can occur in any tax month. |